noun Pharmacology.
- an alkaloid, C17H17NO2, derived from morphine and used as a fast-acting emetic.
noun
- a white crystalline alkaloid, derived from morphine, that is used medicinally as an emetic, as an expectorant, and in Parkinson’s disease. Formula: C 17 H 17 NO 2
n.
- A poisonous, white, crystalline alkaloid derived from morphine and used medicinally to induce vomiting.